DECISIVE SPEC REV1 629_DS_DNK_.pdf

USCGC DECISIVE (WMEC-629)

210 FOOT B CLASS MEDIUM ENDURANCE CUTTER

SPECIFICATION FOR DOCKSIDE REPAIRS

Developed By:

LTJG DAN KAHN

Commander (v) Maintenance and Logistics Command, Atlantic 300 E. Main Street, Suite (600) Norfolk, VA 23510-9102

(June 17, 2009 / Rev1)

USCGC DECISIVE (WMEC-629) DOCKSIDE AVAILABILITY 2009

TABLE OF CONTENTS

Work Item Title Page

List of Sketches iii

Revisions Record iv

List of Applicable References v

List of Government-furnished Property xi

List of Critical Inspection Items xii

Specification Feedback xiii

Principal Characteristics xiv

General Requirements 1

1 NDT Steam and Condensate Piping 8

2 Flush Fuel Oil System Piping 11

3 Renew Boiler Feedwater System Valves 16

4 Inspect and Test Air Receivers and Relief Valves 19

5 Renew Fan Coil Units 22

6 Preserve Skid and Inspect RO Unit 28

7 Preserve Bilge Surfaces 31

8 Overhaul Hydraulic Pump Unit 35

9 Port and Stbd Anchor Windlass Maintenance 40

10 Perform Warping Capstan Maintenance 44

11 Modify Welin Lambie TW PIV 5.0B Davit Arrangement 47

12 Modify Allied D5700CT Single Point Davit Arrangement 52

13 Renew Counter Top, Storage Cabinets, and Sink 55

Page i (Rev1)

14 Remove, Inspect, and Polish Fixed Windows 59

15 Resurface and Reseal Deck Covering Systems 62

16 Reseal Latex Terrazzo and Cosmetic Polymeric Deck Covering Systems 65

Page ii (Rev1)

List of Sketches

Work Item Sketch Number Page

11 SFLC Sketch 627 WMEC 58310-001 51

11 SFLC Sketch 627 WMEC 58310-002 51

13 CG Sketch 629-001 57

Page iii (Rev1)

Revisions Record

This page is used to record specification revisions, which may have occurred subsequent to a Revision 0 (Rev-0) package.

Information listed is intended to provide contractors and field unit personnel a means to ensure all the current specification revision pages are present when reviewing or utilizing this specification package.

DATE REV# WORK ITEM# CHANGES MADE

17Jun09 1 3 Changed solenoid mfgr from CAT to W&O.

Para 1.1.1 17Jun09 1 6 Clarified that RO unit is one unit with two independently working sides. Para 1.1 17Jun09 1 13 Changed cabinet material from stainless steel to aluminum. Para 3.2.2.2 17Jun09 1 14 Changed Para 3.3 to read "the Contractor shall clean and polish the window in place, as required, to remove cloudiness."

NOTE: All work item and paragraph numbers listed above for a given revision correspond to same numbers in the previous revision. This revised specification is self-contained with all of the above listed changes incorporated.

Page iv (Rev1)

List of Applicable References

The below-listed documents form a part of this specification to the extent specified herein. Approval/publication dates or revision dates/numbers are also identified, to ensure that same document versions are used at time of specification writing and during contract execution. Electronic copies of the latest Editions of MLCA Standard Specifications are available on the Internet and may be accessed at the following Internet Uniform Resource Locator (URL) address:

http://www.uscg.mil/mlclant/vdiv/standard_specifications.asp.

Guidance for obtaining copies of all other documents referenced herein is provided in the solicitation.

Order of precedence. In the event of conflicts between text of this specification and the applicable references specified herein, order of precedence shall be in accordance with MLCA Standard Specification 0000_STD, paragraph 3.2 (Order of precedence), unless otherwise specified by the Contracting Officer (KO). The Contractor shall immediately notify the KO in writing of any perceived conflicts contained herein. Nothing in these documents, however, supersedes applicable laws and regulations, unless a specific exemption has been obtained.

FEDERAL AND MILITARY SPECIFICATIONS AND STANDARDS

MIL-A-24179, Jun 1987, Adhesive, Flexible Unicellular-Plastic Thermal Insulation

MIL-D-16791, Jan 1993, Detergents, General Purpose (Liquid, Nonionic)

MIL-D-3134, Sep 1989, Deck Covering Materials

MIL-F-24402E(2), 26 May 1995 Filters (Hydraulic), Filter Elements (High Efficiency), and Filter Differential Pressure Indicators, General Specification For

MIL-H-17672D(3), Mar 1987, Hydraulic Fluid, Petroleum, Inhibited

MIL-PRF-16173, 2006, Corrosion Prevention Compound, Solvent Cutback, Cold-Application

MIL-PRF-24613A, Nov 2007, Deck Covering Materials, Interior, Cosmetic Polymeric

Page v (Rev1) http://www.uscg.mil/mlclant/vdiv/standard_specifications.asp

MIL-STD-1623E, June 2006, Fire Performance Requirements and Approved Specifications for Interior Finish Materials and Furnishings (Naval Shipboard Use)

OTHER GOVERNMENT DOCUMENTS, DRAWINGS, AND PUBLICATIONS

NAVSEA Drawing 804-5959214, Rev-, Piping Insulation - Installation Details

DOCUMENTS

Coast Guard Commandant Instruction (COMTINST) M10360.3, Jun 2006, Coatings and Color Manual

Coast Guard Maintenance and Logistics Command Atlantic (MLCA), Standard Specification 0000_STD, 2006 Edition, General Requirements

Coast Guard Maintenance and Logistics Command Atlantic (MLCA), Standard Specification 0740_STD, 2004 Edition, Welding and Allied Processes

Coast Guard Maintenance and Logistics Command Atlantic (MLCA), Standard Specification 3141_STD, 2004 Edition, Overhaul Electrical Rotating Machines

Coast Guard Maintenance and Logistics Command Atlantic (MLCA), Standard Specification 5000_STD, 2004 Edition, Auxiliary Machinery Systems

Coast Guard Maintenance and Logistics Command Atlantic (MLCA), Standard Specification 6341_STD, 2004 Edition, Renew Deck Covering Systems

DRAWINGS

Coast Guard Drawing 627 WMEC 252-001, Rev F, Control Air Piping Arrangement

Coast Guard Drawing 627 WMEC 261-001, Rev C, Diagram Fuel Oil System

Coast Guard Drawing 627 WMEC 512-001, Rev D, Ventilation Equipment List

Coast Guard Drawing 627 WMEC 512-005, Rev C, Ventilation Diagram Third Deck

Page vi (Rev1)

Coast Guard Drawing 627 WMEC 512-006, Rev D, Ventiation Diagram- Second Deck

Coast Guard Drawing 627 WMEC 512-007, Rev D, Ventilation Diagram

- Main Deck

Coast Guard Drawing 627 WMEC 512-009, Rev F, Arrangement Ventilation & Air Conditioning Third Deck

Coast Guard Drawing 627 WMEC 512-010, Rev G, Arrg't Vent & Air Cond. Second Deck

Coast Guard Drawing 627 WMEC 512-011, Rev H, Arrangement Ventilation & Air Conditioning Main Deck

Coast Guard Drawing 627 WMEC 512-022, Rev -, Arrangement Ventilation & Equipment Lists

Coast Guard Drawing 627 WMEC 512-024, Rev -, Ventilation Diagram Third Deck

Coast Guard Drawing 627 WMEC 512-025, Rev -, Ventialation Diagram Main Deck

Coast Guard Drawing 627 WMEC 512-026, Rev -, Arrangement Ventilation & Air Conditioning Main Deck

Coast Guard Drawing 627 WMEC 512-029, Rev -, Arrangement Ventilation & Air Conditioning Second Deck

Coast Guard Drawing 627 WMEC 512-030, Rev -, Arrangement Ventilation & Air Conditioning Third Deck

Coast Guard Drawing 627 WMEC 512-031, Rev -, Ventilation Diagram 2nd Deck

Coast Guard Drawing 627 WMEC 514-001, Rev C, Diagram: Heating and Chilled Water System

Coast Guard Drawing 627 WMEC 514-003, Rev D, Arrangement of Chilled and Hot Water System Outside Machinery Space

Coast Guard Drawing 627 WMEC 535-001, Rev F, Diagram Steam, Feed, and Condensate System Piping

Coast Guard Drawing 627 WMEC 535-002, Rev F, Ass. Stm., Feed and Condensate System Piping

Page vii (Rev1)

Coast Guard Drawing 627 WMEC 551-002, Rev D, Arrangement of Compressed Air in Machinery Space

Coast Guard Drawing 627 WMEC 581-005, Rev -, Anchor Windlass

Coast Guard Drawing 627 WMEC 582-001, Rev -, Warping Capstan General Arrangement

Coast Guard Drawing 627 WMEC 582-005, Rev -, Warping Capstan Assembly

Coast Guard Drawing 627 WMEC 583-003, Rev C, Boat Davit Hydraulic Circuit

Coast Guard Drawing 627 WMEC 583-006, Rev C, Hydraulic Piping for Boat Davits

Coast Guard Drawing 627 WMEC 583-008, Rev -, Installation Arrgt of Allied SPD 5000 with Constant Tension Winch

Coast Guard Drawing 627 WMEC 583-040, Rev F, OTHB Davit-Davit Arrangement

Coast Guard Drawing 627 WMEC 583-041, Rev D, OTHB Davit-Davit Installation

Coast Guard Drawing 627 WMEC 601-004, Rev C, General Arrangement Main & 01 Deck

Coast Guard Drawing 627 WMEC 625-002, Rev -, Schedule Of Fixed Lights And Windows

Fleet Drawing FL-2605-038, Rev A, Welin Lambie 5.0B RHI Cradle End Pads

PUBLICATIONS

Coast Guard Technical Publicatioin (TP) 3941, SWBS 531, June 2008, Operational and Maintenance Manual for USCG Model RC5000 Reverse Osmosis Desalination Plant

Coast Guard Technical Publication (TP) 2754, June 1984, Hydraulic Power Unit

Coast Guard Technical Publication (TP) 3237B, Nov 1984, Fan Coil Fan Unit

Page viii (Rev1)

Coast Guard Technical Publication (TP) 3240A, Dec 1996, Manufacturer's Instruction Book-SWBS Groups 581-582, Anchor Windlass, Model C18L137E

Coast Guard Technical Publication (TP) 3240A, Sep 1967, Manufacturer's Instruction Book-SWBS Groups 581-582, Warping Capstan, CEUH-10/10-6

Coast Guard Technical Publication (TP) 3485A, Dec 2008, Boat Davit, Single Point- Models D5000CT and D5700CT

Coast Guard Technical Publication (TP) 3843, Apr 2008, Manufacturer’s Instruction Book-SWBS Group 583, Twin Pivot Arm Davit – Type TW.PIV5.0B

Allied Marine Crane Service Bulletin CSB0024C, Jul 2005, Replacement of Control Board

Electric Boat Corporation (EB) Specification 4013, Feb 1999, Anti-Sweat and Refrigerant Insulation (Sheets and Tubes)

INDUSTRY STANDARDS

American Society of Mechanical Engineers (ASME), PTC 25, Jan 2008, Pressure Relief Devices

American Society of Mechanical Engineers (ASME) B16.34, Jan 2004, Valves-Flanged, Threaded, and Welding End

Manufacturers' Standardization Society of the Valve and Fittings Industry (MSS) SP-80, Jan 2008, Bronze Gate, Globe, Angle and Check Valves

Manufacturers Standardization Society of the Valve and Fittings Industry (MSS) SP-72, 1999 Edition, Ball Valves with Flanged or Butt-Welding Ends for General Service

Manufacturers Standardization Society of the Valve and Fittings Industry (MSS) SP-67, 2002 Edition, Butterfly Valves

Manufacturers Standardization Society of the Valve and Fittings Industry (MSS) SP-61, 2003 Edition, Pressure Testing Of Steel Valves

ASTM International (ASTM) E797, Dec 2005, Standard Practice for Measuring Thickness by Manual Ultrasonic Pulse-Echo Contact Method

Page ix (Rev1)

ASTM International (ASTM) F1076, Reapproved 2004, Standard Practice for Expanded Welded and Silver Brazed Socket Joints for Pipe and Tube

ASTM International (ASTM) F683, May 2005, Standard Practice for Selection and Application of Thermal Insulation for Piping and Machinery

ASTM International (ASTM) F992, Reapproved 2006, Standard Specification for Valve Label Plates

The Society for Protective Coatings (SSPC) Surface Preparation Specification No.11 (SSPC-SP 11), 2004, Power Tool Cleaning to Bare Metal

Page x (Rev1)

List of Government-furnished Property

The following is a list of property, which the Government will furnish. This list supersedes any other material obligations indicated or implied by referenced drawings.

WORK

ITEM

MTI ITEM DESCRIPTION NSN/PN QTY ESTIMATED

COST

($/UNIT)

5 N Vertical FCU PN: UNT-SU-135.01 size 02-06 11 $1000

12 N Proximity Switches

NSN: 5930-01-500-7298 1 ea 239.03

12 N Control Board Kit

NSN: 5998-01-425-5103 1 ea 788.38

12 N Actuator Module NSN: 3040-01-478-3624 1 ea 1104.28 13 N Mini Fridge N/A 1 ea 1000.00

*Government-loaned property, which shall be returned to the vessel upon completion of the availability.

**New or refurbished equipment that the Government may provide for installation in place of existing equipment.

***Government-furnished property, which is to be supplied by either the vessel, Electronic Systems Support Unit (ESU) or local Electronic Support Detachment (ESD).

Page xi (Rev1)

List of Critical Inspection Items

The following is a list of work items, which contain Critical Inspection reports, which the Contractor must complete within the first 25% of the availability contract period (see Std Spec 0000_STD, paragraph 3.6.2 (Inspection report particulars)):

Work Item Title

1 NDT Steam and Condensate Piping

6 Preserve Skid and Inspect RO Unit

9 Port and Stbd Anchor Windlass Maintenance

10 Perform Warping Capstan Maintenance

14 Remove, Inspect, and Polish Fixed Windows

Page xii (Rev1)

Specification Feedback

The intent of this section is to inform all users that a spec feedback mechanism is in place, and is located on the MLCA Naval Engineering Division’s website. Spec feedback is a very important part of our overall continuous improvement process, and is crucial to specification development. It will allow spec writers to capture all specification-related lessons learned, and avoid mistakes or ambiguities in follow-on availabilities.

All feedback will be reviewed, evaluated, and responded to in a timely manner.

If you have access to the CGWeb (Intranet), please use the following link, which will connect you to the MLCA(v) Naval Engineering website, for submitting your feedbacks:

http://webapps.mlca.uscg.mil/vdiv/specifications/feedback/defaul t.cfm

If you do not have access to the CGWeb (Intranet), you may still submit your feedbacks, using the following web link:

http://www.uscg.mil/mlclant/vdiv/specfeedback.asp

Page xiii (Rev1) http://webapps.mlca.uscg.mil/vdiv/specifications/feedback/default.cfm http://webapps.mlca.uscg.mil/vdiv/specifications/feedback/default.cfm http://www.uscg.mil/mlclant/vdiv/specfeedback.asp

PC_210 A&B WMEC

(07 Jan 2004)

Principal Characteristics

210 (A & B Class) Medium Endurance Cutter

Length Overall 210' 6"

Depth (main deck at side to baseline) 19' 6"

Maximum Beam 34' 0"

Height of Highest Projection (above DWL) 88'0"

Frame Spacing 1' 0"

Full Load Draft 10' 6"

Full Load Displacement 1000 long tons

Shore Tie Voltage Requirements 400A/440V

PROPELLERS / SHAFT

Number of Propellers 2

Number of Blades per Propeller 4

Diameter of Propeller 7' 6"

Pitch controllable

Revolutions per Minute (RPM) 300

Shaft Diameter 8.25"

Page xiv (Rev1)

00000_DLA_FLT (23 Oct 2008)

General Requirements

1. SCOPE

1.1 Intent. This item describes the general requirements to be followed by the Contractor while conducting this availability.

1.2 Government-furnished property.

None.

2. APPLICABLE DOCUMENTS

Coast Guard Maintenance and Logistics Command Atlantic (MLCA), Standard Specification 0000_STD, 2006 Edition, General Requirements

Coast Guard Maintenance and Logistics Command Atlantic (MLCA) Standard Specification 0740_STD, 2004 Edition, Welding and Allied Processes

Coast Guard Commandant Instruction (COMDTINST) M10360.3 (series), Jun 2006, Coatings and Color Manual

3. REQUIREMENTS

3.1 General. The Contractor shall conform to all requirements specified in Std Spec 0000_STD and in this item, as applicable, during the performance of this availability.

NOTICE!

The requirements of paragraph 3.1 (General) applies to all work under the scope of this contract, whether explicitly stated in work items or not, and also to all other work subsequently authorized by changes, modifications, or extensions to the contract.

3.2 Contractor-provided fire extinguishers. The Contractor

shall provide portable fire extinguishers.

3.3 Welding and brazing requirements. The Contractor shall

perform all welding and allied processes, and nondestructive inspection (NDI), in accordance with Std Spec 0740_STD.

Page 1 (Rev1)

3.4 Term substitution - COTR for COR. The Contractor shall be aware that the term "COR" (Contracting Officer's Representative) has been discontinued in favor of "COTR" (Contracting Officer's Technical Representative); consequently, whenever "COR" is encountered in this specification package, including referenced standard specifications and other referenced documents, it shall refer to "COTR", explicitly.

4. NOTES

4.1 Access to COMDTINST M10360.3. The COMDTINST M10360.3 may

be accessed at the following URL address:

http://www.uscg.mil/directives/cim.asp

4.2 QA inspection forms. QA inspection forms (QA-1 thru QA-5), required in Std Spec 0000_STD to be completed and submitted during preservation of "critical-coated surfaces", are provided at the end of this item.

Page 2 (Rev1) http://www.uscg.mil/directives/cim.asp

QA-1: QUALITY ASSURANCE INSPECTION FORM - PRESERVATION CHECKLIST

CHECKPOINT 1 - COATING SYSTEM COMPLIANCE

Ensure all coatings are in compliance with COMDTINST M10360.3, Appendix C.

CHECKPOINT 2 - PAINT STORAGE

Ensure all coatings are kept at a temperature of 65 to 85°F at all times, unless otherwise specified by the coating manufacturer(s).

CHECKPOINT 3 - AMBIENT CONDITIONS

Ensure surface and surrounding temperatures are each between 50 and 90°F for water-based coatings, and 35 and 95°F for other coatings, unless otherwise specified by the coating manufacturer(s).

Ensure maximum relative humidity (RH) is as follows, from surface preparations through final curing of topcoat: 50% for tanks, voids, and vent plenum; and 85% for all other areas, unless otherwise specified by manufacturer(s).

Ensure surface temperature is at least 5°F above the dew point, unless otherwise specified by the coating manufacturer(s).

CHECKPOINT 4 - PRE-SURFACE PREPARATION

Remove surface contaminants (soluble salts, loose rust, mud, and marine growth) with low pressure fresh water wash down

(maximum 5,000 psi). If oil and grease are present, perform solvent cleaning, as per SSPC SP-1.

CHECKPOINT 5 - SURFACE PREPARATION

Verify environmental conditions (see CHECKPOINT 3).

Ensure cleanliness of prepared surface is as per specification (i.e.: SSPC SP-12, SP-11, SP-10?).

Verify surface anchor profile (1.5-3.5 mils for abrasive-blasted steel surfaces; 1.0 mil (minimum) for power-tool cleaned surfaces; 1.0-1.5 mils for abrasive-blasted aluminum surfaces); and 1.5 -2.5 for surfaces to be coated w/single coat of inorganic zinc).

Measure soluble salt conductivity (5 measurements per 1000 sqft) - maximum threshold: 70 microsiemens/cm for non-submerged surfaces and 30 microsiemens/cm for submerged surfaces.

CHECKPOINT 6 - PRIMER COAT APPLICATION

Verify environmental conditions (see CHECKPOINT 3).

Verify proper mixing and stand-in (induction) times.

Ensure no paint is applied when the temperature is expected to drop to freezing before the paint has dried.

Ensure surfaces are completely dry, unless otherwise allowed by the Coating Manufacturer(s).

Verify wet film thickness at random, to prevent under or over application.

Brush out all runs, sags, drips, and puddles.

Perform visual inspection for holidays and other defects.

CHECKPOINT 7 - STRIPE COAT APPLICATION

Verify environmental conditions (see CHECKPOINT 3).

Ensure overcoating window is as per manufacturer's instructions.

After primer coat (mist coat after inorganic zinc), brush-apply un-thinned coat of same primer paint over edges, weld seams, cut-outs, and areas of complex geometries @ 3-4 mils wet film thickness (WFT).

CHECKPOINT 8 - TOP COAT APPLICATION

Verify environmental conditions (see CHECKPOINT 3).

Ensure overcoating window is as per manufacturer's instructions.

Verify proper mixing and stand-in (induction) times, as applicable.

Verify wet film thickness at random, to prevent under or over application.

Brush out all runs, sags, drips, and puddles.

CHECKPOINT 9 - FINAL INSPECTION

Verify final system dry film thickness.

Verify system cure for service resumption - U/W Body surfaces: 5-8 hours @ 77 degrees F; Potable water tanks: 7 days @

77 degrees F.

Ensure potable water tank exhaust ventilation is maintained continuously from and during coating application through final system cure (minimum 7 days @ 77 degrees F.), to exhaust all solvent to the atmosphere and to prevent solvent entrapment.

CHECKPOINT 10 - RECORD KEEPING

Complete, sign, and submit all provided QA Inspection Forms.

Signature of Inspector:______________________________________________________Date:____________

Page 3 (Rev1)

QA-2. QUALITY ASSURANCE INSPECTION FORM

ENVIRONMENTAL READINGS

(Use one sheet for each activity. Record conditions every four hours from before surface preparation to application of final coating system coat)

DATE TIME

ENTER ACTIVITY

(Surface preparation, primer coat, barrier coat, top coat, etc?)

LOCATION DEW

POINT

SURFACE

TEMP.

% REL.

HUMIDITY

SIGNATURE

OF

INSPECTOR

.Signature of Inspector:__________________________________________________Date:____________

Page 4 (Rev1)

QA-3 QUALITY ASSURANCE INSPECTION FORM

SURFACE PROFILE LOG

Vessel Name And Hull Number:__________________________________________________

Work Item Title:_______________________________________________________________

Location Of Work (Including Frame Numbers):_____________________________________

Area (Square Feet):_____________

Surface Preparation Method:_____________________________________________________

Abrasive Manufacturer And Size:_________________________________________________

Degreasing Method Used:________________________________________________________

Number Of Hours Surfaces (Steel Only) Left Unpainted:______________________________

Sweep blasting performed to remove flash rusting (steel)? Yes/No:_____________________

Place Surface Profile Replica Tapes In The Spaces Provided Below, To Serve As Permanent QA record.

Maintain separate log for each area/location. When an Area Is Divided Into Separate Sections, Maintain A Separate Log for Each Section.

AVERAGE MILS

(IAW ASTM D4417,

METHOD C)

Place Surface Profile Replica Tape Here

Reading:__________ mils

• Place Surface Profile Replica Tape Here

Date and Time:__________________________________________________

Location of Surface Profile Measurements:___________________________________________________________

Signature of Inspector:____________________________________________________________________________

Page 5 (Rev1)

QA-4. QUALITY ASSURANCE INSPECTION FORM

SURFACE SOLUBLE SALT CONDUCTIVITY LOG

Vessel Name and Hull Number:__________________________________________________

Work Item Title:_______________________________________________________________

Location of Work (including frame numbers):_______________________________________

Area (square feet):____________

DATE TEST LOCATIONS CONDUCTIVITY

(microsiemens/cm)

Date and Time:_________________________________________

Signature of Inspector:___________________________________

Page 6 (Rev1)

QA-5. QUALITY ASSURANCE DATA FORM

DRY FILM THICKNESS (DFT) MEASUREMENTS IAW SSPC PA-2

(Use one sheet for each sequence)

Vessel Name and Hull Number:__________________________________________________

Work Item Title:______________________________________________________________

Coating Manufacturer:_________________________________________________________

Product Name:________________________________________________________________

Batch Number:________________________________________________________________

Induction Time:_______________________________________________________________

Coating System Sequence (Indicate whether: primer, touch-up primer, barrier coat, 3rd coat?):__________________

DFT

MEASUREMENT

NUMBER

LOCATION OF READINGS MEASURED DFT

Application Method (Airless, Conventional Spray, Rolled):____________________

Average DFT: __________________________________________________________

Date and Time: _________________________________________________________

Signature of Inspector: ___________________________________

Page 7 (Rev1)

S_25310_DNK_629 (25 Feb 2009)

WORK ITEM 1: NDT Steam and Condensate Piping

1. SCOPE

1.1 Intent. This work item describes the requirements for the Contractor to remove insulation, perform NDT, and renew insulation on the steam and condensate piping system.

1.2 Government-furnished property.

None.

2. APPLICABLE DOCUMENTS

Coast Guard Commandant Instruction (COMDTINST) M10360.3, Coatings and Color Manual

ASTM International (ASTM) E797, Dec 2005, Standard Practice for Measuring Thickness by Manual Ultrasonic Pulse-Echo Contact Method

ASTM International (ASTM) F683, May 2005, Standard Practice for Selection and Application of Thermal Insulation for Piping and Machinery

Coast Guard Drawing 627 WMEC 535-001, Rev F, Diagram Steam, Feed, and Condensate System Piping

NAVSEA Drawing 804-5959214, Rev-, Piping Insulation - Installation Details

3. REQUIREMENTS

3.1 General.

3.1.1 Critical Inspection Report. The Contractor shall submit a critical inspection report (CIR) for the inspections listed in the following paragraph(s):

• 3.3 (Ultrasonic thickness measurement).

Page 8 (Rev1)

3.1.2 Interferences. The Contractor shall be aware that

interferences in way of work include, but are not limited to:

• Wire Runs.

• Bulkheads.

• Equipment.

• Transverse Frames.

• Wire Hangers.

3.2 Insulation Removal. The Contractor shall remove

approximately 26 linear ft (100, 3 inch sections approximately every 3 ft as designated by the COTR) of insulation in locations designated by the Coast Guard Inspector.

3.3 Ultrasonic thickness measurement. The Contractor shall

perform a total of 400 thickness measurements (4 UT shots at 90º intervals at each 3 inch section as designated by the COTR) of the steam and condensate piping system, in locations designated by the Coast Guard Inspector. Submit a CIR.

3.3.1 Ensure that the ultrasonic apparatus, procedure

requirements, and report shall be in accordance with ASTM E797, and that the report results shall additionally include the following information for each test point:

• Location.

• Original metal thickness.

• Measured metal thickness.

• Percent deterioration (calculation is based on the original metal thickness).

3.3.2 Perform ultrasonic equipment standardization in

accordance with ASTM E797, Section 7 (Standardization of Apparatus) and Section 8 (Technical Hazards).

3.4 Piping renewal. If a Change Request has been authorized

and released by the KO, the Contractor shall renew sections of piping found to be more than 25% wasted, using Coast Guard Drawing 627 WMEC 535-001.

3.5 Insulation Renewal.

Page 9 (Rev1)

3.5.1 Surface preparation. Clean all exposed pipe and pipe

component surfaces, with a soft bristle brush and a mild detergent solution, to remove all visible surface contaminants.

3.5.2 New insulation installation. Install new insulation

material over the exposed pipe surfaces, including associated pipe hangers, valves, fittings, and flanges, in accordance with details in NAVSEA Drawing 804-5959214; select appropriate insulation materials and thicknesses for the application and temperature ranges specified in ASTM F683, Tables S1.1, S1.2, and S1.4. Paint the newly installed insulation system, in accordance with COMDTINST M10360.3, using the system specified for “Insulation Surfaces, Fiberglass Sheet/Closed Cell PVC Foam” in Appendix B (Cutter and Boat Interior Paint Systems).

3.6 Operational test. The Contractor shall observe the

operation of the steam and condensate system piping a minimum of four consecutive hours in the presence of the Coast Guard Inspector. Correct all condensation problems.

4. NOTES

4.1 Equipment operation. Coast Guard personnel will operate

all shipboard machinery and equipment during all tests.

Page 10 (Rev1)

S26110_DNK_629 (19 February 2009)

WORK ITEM 2: Flush Fuel Oil System Piping

1. SCOPE

1.1 Intent. This work item describes the requirements for the Contractor to remove marine growth and sludge from F/O piping system from fuel risers to F/O service tanks to F/O manifolds for the F/O storage tanks. Flushing will not include tanks.

1.2 Government-furnished property.

None.

2. APPLICABLE DOCUMENTS

Coast Guard Drawing 627 WMEC 261-001, Rev C, Diagram Fuel Oil System

3. REQUIREMENTS

3.1 General.

3.1.1 Interferences. The Contractor shall be aware that

interferences in way of work include, but are not limited to:

• Piping

• Machinery

• Pumps

• System Components

3.1.2 Operational test - initial. Prior to commencement of

work, the Contractor shall witness an operational pre-test (by Coast Guard personnel) of the functionality of the F/O system to demonstrate existing operational condition. Submit a CFR.

Page 11 (Rev1)

3.1.3 Protective measures. The Contractor shall furnish and

install suitable covering to seal off and protect all non-affected surfaces/equipment and spaces in the vicinity of the work area against contamination during the performance of work.

Upon completion of work, remove protective material and inspect for the presence of contamination. Clean all equipment and spaces, contaminated due to improper protection, to original condition of cleanliness.

3.1.4 JP-5. The Ship will provide the JP-5 for flushing. The

Contractor shall dispose of the JP-5 used for flushing in accordance with all applicable federal, state, and local regulations.

3.2 Fuel Oil Flushing Preparation: System flushing shall be

done with JP-5

3.2.1 Alterations.

3.2.1.1 The Contractor shall disconnect F/O piping at COV 3-

142-8 and at suction strainer for service tank 4-143-2-F. A jumper shall be rigged at this location.

3.2.1.2 The Contractor shall disconnect F/O piping at suction strainer for service tank 4-143-2-F and stripping line COV 4- 140-1. A jumper shall be rigged at this location.

3.2.1.3 Contractor shall install a temporary seal between the section of piping between COV 3-108-1 and connection from the fill line going into Forward Aux Mach Room (Compartment 3-96-0- E). (See CG Drawing 627 WMEC 261-001)

3.2.1.4 The Coast Guard COTR shall verify all system

alterations prior to flushing.

3.2.2 Flushing Route.

3.2.2.1 The Contractor shall align F/O piping system as

follows:

1. Fuel Flush shall begin at open deck riser fill COV 1-114-

2. To open COV 3-108-1

3. To open COV 4-110-1

4. To open COV 3-137-1 aligned to service tank 4-143-2-F

Page 12 (Rev1)

5. To COV 3-142-8 where a jumper will be rigged

6. To suction strainer for service tank 4-143-2-F

7. To open cross-connect COV 4-141-1

8. To suction strainer for service tank 4-143-1-F where a jumper will be rigged

9. To stripping line COV 4-140-1

10. To open COV 3-107-1

11. To jumper connection 3-104-1

12. To jumper connection 3-107-1

13. To open COV 3-108-2

14. To open deck riser fill COV 1-114-2 where a jumper will be rigged

15. To start location

3.2.2.2 All F/O valves not previously mentioned shall be closed to include:

1. COV 3-96-11

2. COV 3-98-1

3. COV 3-98-3

4. COV 3-99-1

5. COV 3-101-1

6. COV 3-101-11

7. COV 3-139-1

8. COV 3-142-1

9. COV 3-142-2

10. COV 3-142-3

11. COV 3-142-4

12. COV 3-142-5

Page 13 (Rev1)

13. COV 3-142-6

14. COV 3-142-8

15. COV 4-142-1

16. COV 4-142-2

17. All manifold valves in Forward Aux Mach Room (Compartment 3-96-0-E)

18. All F/O valves to MDEs, SSDGs, & Boilers

3.2.2.5 The Coast Guard COTR shall verify system alignment

prior to energizing Fuel Flush.

3.3 System Flushing.

3.3.1 The Contractor shall use a portable pump, with jumpers

rigged to bypass the ship's transfer pump in Forward Aux Mach Room (Compartment 3-96-0-E), that operates at one flow rate of approximately 120 GPM. Use the maximum flow rate possible without exceeding the system pressure rating.

3.3.2 Use system strainers to filter the flushing fluid.

Install 25 micron or smaller muslin bags in the system strainer or temporary strainer to obtain finer filtration. Be prepared to stop the flushing pump if one of the hoses leaks when the system is pressurized.

3.3.3 Remove any check valves from the designated piping to be flushed and rig jumpers in their place.

3.3.4 Align the system in accordance with paragraphs 3.2.1 and 3.2.2.

3.3.5 Flush the system for a minimum of 24 hours and until the muslin bags in the strainers show no appreciable contamination for two consecutive hours. The Contractor shall then reverse the flow direction and flush until the muslin bags in the strainers show no appreciable contamination for two consecutive hours.

3.3.6 When flushing is completed, dispose of the flushing fluid in accordance with all applicable Federal, state, and local regulations.

NOTICE!

The Contractor will provide a container for the used flushing fluid. None of the ship's tanks will be used to contain any contaminated fluid.

Page 14 (Rev1)

3.3.7 Open and clean any system strainers through which the

flushing fluid passed.

3.3.8 Remove all jumper hoses and temporary strainers, renew

gaskets on all disturbed equipment, valves and piping, and return the system to its original configuration. Run an operational pressure test at the first opportunity to be sure that all system connections have been remade correctly.

3.4 Operational test – final. In the presence of the Coast

Guard Inspector, the Contractor shall thoroughly test and prove full functionality of the F/O system (see 4.1 (Equipment operation)). Submit a CFR.

4. NOTES

4.1 Equipment operation. Coast Guard personnel will operate

Page 15 (Rev1)

S51710_DNK_629 (24 Feb 2009)

WORK ITEM 3: Renew Boiler Feedwater System Valves

1. SCOPE

1.1 Intent. This work item describes the requirements for the Contractor to renew the designated boiler feedwater system valves.

1.1.1 Valves designated for renewal.

TYPE SIZE

(INCHES) MATERIAL DESCRIPTION

FRAME

LOCATION/VALVE

NO.

CONNECTION

RATED

PRESSURE

CLASS (#)

Gate 3/4 Bronze Fairbanks 300CWP 3-108-0-E Union 150

Gate 3/4 Bronze Fairbanks 300CWP 3-108-0-E Union 150

Gate 3/4 Bronze Fairbanks 300CWP 3-108-0-E Union 150

Solonoid 3/4 Bronze W&O 821003, 120VAC, 60 HZ 3-108-0-E - 65

1.2 Government-furnished property.

None.

2. APPLICABLE DOCUMENTS

Coast Guard Maintenance and Logistics Command Atlantic (MLCA), Standard Specification 0000_STD, 2006 Edition, General Requirements

Coast Guard Commandant Instruction (COMDTINST) M10360.3 (series), Coatings and Color Manual

American Society of Mechanical Engineers (ASME) B16.34, Jan 2004, Valves-Flanged, Threaded, and Welding End

ASTM International (ASTM) F992, Reapproved 2006, Standard Specification for Valve Label Plates

Manufacturers Standardization Society of the Valve and Fittings Industry (MSS) SP-61, 2003 Edition, Pressure Testing Of Steel Valves

Page 16 (Rev1)

Manufacturers Standardization Society of the Valve and Fittings Industry (MSS) SP-67, 2002 Edition, Butterfly Valves

Manufacturers Standardization Society of the Valve and Fittings Industry (MSS) SP-72, 1999 Edition, Ball Valves with Flanged or Butt-Welding Ends for General Service

Manufacturers' Standardization Society of the Valve and Fittings Industry (MSS) SP-80, Jan 2008, Bronze Gate, Globe, Angle and Check Valves

Coast Guard Drawing 627 WMEC 535-002, Rev F, Ass. Stm., Feed and Condensate System Piping

3. REQUIREMENTS

3.1 General.

3.1.1 Interferences. The Contractor shall be aware that

interferences in way of work include, but are not limited to the following:

• Sea Water Strainer.

• Boiler Feedwater Tank.

• Reverse Osmosis Unit.

• Engine.

3.1.2 Feedwater System Isolation. The Contractor shall isolate the boilers and the make-up feedwater system as designated by the Coast Guard Inspector and as shown on CG Drawing 627 WMEC 535-002. The Contractor shall dispose of any residual water in the feedwater system piping. Dispose of removed fluids in accordance with all applicable Federal, state, and local regulations.

NOTICE!

Do not let any drained water get into the ship's bilges.

3.2 Removal. The Contractor shall remove all designated valves in Section 1.1 (Intent).

3.3 Renewal. The Contractor shall renew all designated valves with commercial-standard type valves, conforming to the applicable standard listed in Table I (Valve Standards).

TABLE I. VALVE STANDARDS

Page 17 (Rev1)

VALVE TYPE INDUSTRY STANDARD

Steel Valves MSS SP-61 Butterfly Valve MSS SP-67 Ball Valves, Flanged or Butt-Welded Ends MSS SP-72

Bronze Gate, Globe, Angle and Check Valves

MSS SP-80

All others ASME B16.34

NOTICE!

The Contractor shall replace any mil-std valves listed for renewal with equivalent commercial standard valves.

3.4 Valve installation. Upon completion of all authorized

work, the Contractor shall accomplish the following:

• Install all new valves with new gaskets.

• Renew all missing or damaged valve label plates.

• Touch-up preserve all new and disturbed surfaces to match existing adjacent areas, in accordance with COMDTINST M10360.3. Abide by all touch-up requirements outlined in paragraph 3.11.9 (Touch-ups and minor coating repairs)) of Std Spec 0000_STD.

3.5 Valve labeling. The Contractor shall install valve label

plates on all new valves in accordance with ASTM F992.

3.6 Leak test. After all authorized repairs of mechanical

(i.e. threaded, bolted, etc.) joints, the Contractor shall perform an operational test of the feedwater system using the system fluid at normal operating pressure. Be aware that no visible leakage or deformation is acceptable. Repair all leaks and discrepancies found. Submit a CFR.

4. NOTES

This section is not applicable to this work item.

Page 18 (Rev1)

55100_MWC_FLT (11 Sep 2008) 210B WMEC (08 Oct 2003)

WORK ITEM 4: Inspect and Test Air Receivers and Relief Valves

1. SCOPE

1.1 Intent. This work item describes the requirements for the Contractor to inspect and test the following air receivers and their associated relief valves:

SERVICE LOCATION QTY

OPERATING

PRESSURE

(PSI)

RELIEF VALVE

SETTING

(PSI)

Ships Service 4-108-0-E 1 100 120 Starting Air 4-108-0-E 2 250 275 Control Air 2-140-1-Q 1 250 275

1.2 Government-furnished property.

None.

2. APPLICABLE DOCUMENTS

Coast Guard Drawing 627 WMEC 252-001, Rev F, Control Air Piping Arrangement

Coast Guard Drawing 627 WMEC 551-002, Rev D, Arrangement of Compressed Air in Machinery Space

American Society of Mechanical Engineers (ASME), PTC 25, Jan 2008, Pressure Relief Devices

3. REQUIREMENTS

3.1 General. The Contractor shall inspect and test each

designated (see paragraph 1.1) air receiver and their associated relief valves. Assume one relief valve per receiver unit unless otherwise indicated. Refer to Coast Guard Drawing 627 WMEC 252- 001 and 551-002 for guidance.

Page 19 (Rev1)

3.2 Air receivers. The Contractor shall do the following for

each designated air receiver:

3.2.1 System blowdown. Blowdown the air receivers and collect the blowdown (condensate) into a separate container for inspection.

3.2.2 Inspection and testing. Accomplish the following and

submit a CFR.

3.2.2.1 Visual inspection. Visually inspect the blowdown

(condensate) under a bright white light for oil or particulate contamination. Clean and visually inspect the internal and external surfaces of the air receiver for signs of corrosion, pitting, and other damage.

3.2.2.2 Hydrostatic testing. Isolate the air receivers by

disconnecting all piping, relief valves, and pressure switches.

Install pipe plugs/caps to prevent system contamination and in accordance with manufacturer's testing procedures.

Hydrostatically test each compressed air receiver in accordance with manufacturer's recommended procedures to 1½-times the nominal operating system pressure. Hold for five minutes.

There shall be no visible permanent deformation. After testing, drain and thoroughly dry the air receivers with warm air.

Dispose of testing water in accordance with all applicable Federal, state, and local regulations.

WARNING!

Do not drain any fluids, including fresh water, into any space, bilge, or exterior location.

3.3 Relief valves.

3.3.1 Option for valve renewal. The Contractor may opt to

renew any/all relief valves in lieu of inspection and testing, at no additional cost to the Government. Ensure all new valves are commercial-standard type valves.

3.3.2 Inspect and test. The Contractor shall do the following for each designated air receiver associated relief valve the Contractor does not elect to renew; and submit a CFR:

3.3.2.1 Visual inspection. Disassemble as required, and

visually inspect all parts for defects and deterioration.

Page 20 (Rev1)

3.3.2.2 Lifting pressure test. Perform a lifting test on each air receiver relief valve in accordance with manufacturer's recommendations and ASME PTC 25. Ensure that each valve seats cleanly after pressure relief (without simmering), and with no allowable leakage.

3.3.3 Adjust and install. The Contractor shall adjust the

relief pressure on the designated air receiver relief valves as necessary to obtain the specified lifting pressure. After adjustment, perform a final check to confirm each relief valve's lifting pressure with the COTR present. After successful confirmation, install the relief valves. Renew all O-rings and gaskets.

3.4 Data plates. The Contractor shall affix an anodized

aluminum test data plate with epoxy resin cement to each air receiver and relief valve body. The data plate shall be engraved with ¼-inch high letters, stating the following:

3.4.1 Air receivers.

• Receiver name/number(as applicable).

• Hydrostatic test pressure.

• Date of inspection and test.

• Name of testing facility.

3.4.2 Relief valves.

• Valve number.

• Lifting pressure.

• Date of test and set.

• Name of testing facility.

4. NOTES

4.1 Air Receiver definition. An air receiver is a pressure

vessel for the storage of air at 600 psig and below.

Page 21 (Rev1)

S_51421_DNK_629 (20 Feb 2009)

WORK ITEM 5: Renew Fan Coil Units

1. SCOPE

1.1 Scope. This work item describes the requirements for the

Contractor to renew Fan Coil Units.

1.2 Government-furnished property.

MTI ITEM DESCRIPTION NSN/PN QTY

ESTIMATED

COST

($/UNIT)

N Vertical FCU PN: UNT-SU-135.01 size 02-06 11 $1000

2. APPLICABLE DOCUMENTS

Coast Guard Commandant Instruction (COMDTINST) M10360.3 (series), Coatings and Color Manual

Coast Guard Technical Publication (TP) 3237B, Nov 1984, Fan Coil Fan Unit

MIL-A-24179, Jun 1987, Adhesive, Flexible Unicellular-Plastic Thermal Insulation

ASTM International (ASTM) F1076, Reapproved 2004, Standard Practice for Expanded Welded and Silver Brazed Socket Joints for Pipe and Tube

Electric Boat Corporation (EB) Specification 4013, Feb 1999, Anti-Sweat and Refrigerant Insulation (Sheets and Tubes)

Coast Guard Drawing 627 WMEC 512-001, Rev D, Ventilation Equipment List

Coast Guard Drawing 627 WMEC 512-005, Rev C, Ventilation Diagram Third Deck

Coast Guard Drawing 627 WMEC 512-006, Rev D, Ventiation Diagram- Second Deck

Page 22 (Rev1)

Coast Guard Drawing 627 WMEC 512-007, Rev D, Ventilation Diagram

- Main Deck

Coast Guard Drawing 627 WMEC 512-009, Rev F, Arrangement Ventilation & Air Conditioning Third Deck

Coast Guard Drawing 627 WMEC 512-010, Rev G, Arrg't Vent & Air Cond. Second Deck

Coast Guard Drawing 627 WMEC 512-011, Rev H, Arrangement Ventilation & Air Conditioning Main Deck

Coast Guard Drawing 627 WMEC 512-022, Rev -, Arrangement Ventilation & Equipment Lists

Coast Guard Drawing 627 WMEC 512-024, Rev -, Ventilation Diagram Third Deck

Coast Guard Drawing 627 WMEC 512-025, Rev -, Ventialation Diagram Main Deck

Coast Guard Drawing 627 WMEC 512-026, Rev -, Arrangement Ventilation & Air Conditioning Main Deck

Coast Guard Drawing 627 WMEC 512-029, Rev -, Arrangement Ventilation & Air Conditioning Second Deck

Coast Guard Drawing 627 WMEC 512-030, Rev -, Arrangement Ventilation & Air Conditioning Third Deck

Coast Guard Drawing 627 WMEC 512-031, Rev -, Ventilation Diagram 2nd Deck

Coast Guard Drawing 627 WMEC 514-001, Rev C, Diagram: Heating and Chilled Water System

Coast Guard Drawing 627 WMEC 514-003, Rev D, Arrangement of Chilled and Hot Water System Outside Machinery Space

3. REQUIREMENTS

3.1 General.

Page 23 (Rev1)

3.1.1 Reference documents. Refer to TP-3237B, Coast Guard

Drawing 627 WMEC 512-001, 627 WMEC 512-005 through 627 WMEC 512- 007, 627 WMEC 512-009 through 627 WMEC 512-011, 627 WMEC 512- 022, 627 WMEC 512-024 through 627 WMEC 512-026, 627 WMEC 512-029 through 627 WMEC 512-031, 627 WMEC 512-001 and 627 WMEC 512-003.

3.1.2 Interferences. Be aware that interferences in way of

work include, but are not limited to the following:

• Piping.

• Electrical wiring.

• Existing equipment foundations.

• Exposed insulation, fibrous type.

• Lighting fixtures.

• Cabinets/furniture.

3.1.3 Protective measures. The Contractor shall furnish and

install suitable coverings to seal off and protect all non-affected surfaces/equipment and spaces in the vicinity of the work area against contamination during the performance of work.

Upon completion of work, remove protective material and inspect for the presence of contamination. Clean all equipment and spaces where contamination is discovered, if any, which was cause by improper protection or performance of work, to the original condition of cleanliness.

3.2 Renew fan coil units. The Contractor shall:

3.2.1 Fan coil units. The Contractor shall make all

alterations to the fan coil units listed in Table I in accordance with the standards set herein.

TABLE 1

UNIT # DESCRIPTION SPACE # LOCATION TYPE WIDTH PIPES PIPE

SIZE

2-51-1 ENG

BERTHING 2-32-01-L Stbd Aft VERTICAL 31.5" R 1/2"

2-51-2 ENG

BERTHING 2-32-01-L Port Aft VERTICAL 31.5" R 1/2"

2-32-2 ENG

BERTHING 2-32-01-L Forward

Center VERTICAL 31.5" R 1/2"

2-73-1 EO

STATEROOM 2-72-1-L Forward VERTICAL 31.5" R 1/2"

1-32-2 DECK

BERTHING 1-32-0-L Port Fwd VERTICAL 48" R 1/2"

1-32-1 DECK

BERTHING 1-32-0-L Stbd Fwd VERTICAL 43.5" R 1/2"

Page 24 (Rev1)

UNIT # DESCRIPTION SPACE # LOCATION TYPE WIDTH PIPES PIPE

SIZE

1-51-2 DECK

BERTHING 1-32-0-L Port Aft VERTICAL 43.5" R 1/2"

2-60-0 1ST CLASS

BERTH 2-52-0-L Center VERTICAL 31.5" R 1/2"

2-62-2 1ST CLASS

BERTH 2-52-0-L Port VERTICAL 31.5" R 1/2"

2-62-1 1ST CLASS

BERTH 2-52-0-L Stbd VERTICAL 39.5" R 1/2"

2-84-1 JO

Stateroom 2-84-1-L Stbd Fwd VERTICAL 31.5" R 1/2"

3.2.2 Drain. The Contractor shall isolate and drain all fluids from the fan coil unit supply and return piping system. Dispose of all fluids in accordance with applicable Federal, state and local regulations.

3.2.3 Disconnect and remove. The Contractor shall disconnect, remove, and dispose of the fan coil units and any portion of the existing foundations no longer required for the new installation.

3.2.4 Inspection. The Contractor shall perform a visual

inspection of surfaces in way of removals, and submit a written condition found report to the COTR within 48 hours after the inspection.

3.2.5 Installation. The Contractor shall:

3.2.5.1 Modify the existing equipment foundations to provide

for proper installation of the new units.

3.2.5.2 Install the new fan coil units in way of renewals, using all new 316 stainless steel fasteners and locking devices in accordance with ASTM F1076.

3.2.5.2.1 The Contractor shall furnish and install ¼-turn, bronze ball valves, one valve shall be installed in each of the fan coil units’ supply and return lines. The valves shall be suitable for continuous operation with hot water at 235 oF.

3.2.5.2.2 The Contractor shall furnish and install an inline

water strainer in each fan coil unit with a 1/2" OD, solder female, "Y" type with removable brass wire mesh 5/8" OD screen, bronze body strainer. These strainers are to be installed between the supply valve and the unit.

Page 25 (Rev1)

3.2.5.2.3 The Contractor shall furnish and install unions after the supply valve and before the discharge valve to allow for isolation, removal and servicing of units.

3.2.5.3 Thermostats. Reconnect all fan controls and thermostat wiring.

3.2.6 Soldering. All connections shall be silver soldered, with connections and fittings accessible for servicing.

3.2.7 Surface preparation. The Contractor shall clean all

exposed piping with a soft bristle brush and a mild detergent solution, to remove all visible surface contaminants.

3.2.8 New insulation installation. The Contractor shall

furnish, cut, fit, and install new closed cell, halogen-free, foam insulation material, conforming to EB Spec 4013, to a thickness as specified in Table II (Insulation Particulars) below, over the exposed pipe surfaces, including associated fittings, as applicable; secure piping material with adhesive material conforming to MIL-A-24179, Type II, Class 1. Coat the newly installed insulation in accordance with COMDTINST M10360.3, using the coating system specified for “Insulation Surfaces, Fiberglass Sheet/ Closed Cell PVC Foam” in Table IB (Interior Coating Systems). Select color to match existing adjacent surfaces.

TABLE II. INSULATION PARTICULARS

PIZE SIZE SYSTEM TEMP

RANGE

(DEG. F)

INSULATION

THICKNESS

INSULATION THICKNESS

IN A/C SPACES

-20 to +70 1-1/2” 1 +50 to +125 1/4” 1/4” 1/4” and above +126 to +180 1/2” 1/2

3.3 Hydrostatic test. After all removed piping, valves, and

fittings are reinstalled and before installing pipe insulation, the Contractor shall hydrostatically test all disturbed supply and return chill water piping at a pressure of 50 psig for fifteen minutes with clean, fresh water with no allowable leakage. Visually inspect and repair all leaks found. Submit a written report of findings to the COTR within 24 hours after completion of inspections and cleaning.

Page 26 (Rev1)

3.4 System operational test and bleeding of air. After

flushing and filling of chill water system with distilled water, and in the presence of the Coast Guard Inspector, the Contractor shall conduct an operational test for a minimum of 48 hours, using either a water or air test, of the heating and chill water system to ensure proper operation of thermostats and solenoid valves. Bleed all air from each fan coil unit on the vessel.

Verify that all drain lines are clear by using a water test or air test. Correct all discrepancies noted.

4. NOTES

Page 27 (Rev1)

S53000_DNK_629(17 February 2009)

WORK ITEM 6: Preserve Skid and Inspect RO Unit

1. SCOPE

1.1 Intent. This work item describes the requirements for the Contractor to preserve the RO skid plate and inspect the RO unit (One unit with two independently operating sides).

1.2 Government-furnished property.

None.

2. APPLICABLE DOCUMENTS

Coast Guard Commandant Instruction (COMDTINST) M10360.3 (series), Coatings and Color Manual

Coast Guard Maintenance and Logistics Command Atlantic (MLCA), Standard Specification 0000_STD, 2006 Edition, General Requirements

The Society for Protective Coatings (SSPC) Surface Preparation Specification No.11 (SSPC-SP 11), 2004, Power Tool Cleaning to Bare Metal

Coast Guard Technical Publicatioin (TP) 3941, SWBS 531, June 2008, Operational and Maintenance Manual for USCG Model RC5000 Reverse Osmosis Desalination Plant

3. REQUIREMENTS

3.1 General.

3.1.1 Critical Inspection Report. The Contractor shall submit a critical inspection report (CIR) for the inspections listed in the following paragraph(s):

• 3.2 (RO Unit Inspection and Removal).

3.1.2 Related work items. The Contractor shall perform this

work item in conjunction with "Preserve Bilge Surfaces" which is a separate work item in this specification package.

Page 28 (Rev1)

3.1.3 Technical Representative. The Contractor shall have a

Village Marine Technical Representative present while conducting work on the RC5000 RO unit.

3.1.4 Interferences. The Contractor shall be aware that

interferences in way of work include, but are not limited to:

• Pipes.

• Foundations.

• Deckplates.

• Stanchions

• Engines

3.1.5 Operational test - initial. Prior to commencement of

work, the Contractor shall witness an operational pre-test (by…